package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

        /**
         * 动态条件查询
         * @param shoppingCart
         * @return
         */
        List<ShoppingCart> list(ShoppingCart shoppingCart);

        /**
         * 根据id修改商品数量
         * @param shoppingCart
         */
        @Update("update shopping_cart set number = #{number} where id =#{id}")
        void updateNumberById(ShoppingCart shoppingCart);

        /**
         *插入购物车数据
         * @param shoppingCart
         */
        @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
                "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
        void insert(ShoppingCart shoppingCart);

        /**
         * 依据用户id清空购物车
         * @param userId
         */
        @Delete("delete from shopping_cart where user_id = #{userId}")
        void deleteByUserId(Long userId);

        /**
         * 批量插入购物车数据
         *
         * @param shoppingCartList
         */
        void insertBatch(List<ShoppingCart> shoppingCartList);

}
